Is an 8pin to 8+4pin power cable adapter for CPU safe to use?

So your Motherboard support 8+4pin ATX power for you CPU but your power supply only came with one 8pin connector. Is it safe then to use a coverter cable if you Watts is high enough? Lets find out. Comment below if I&crazy for using this thing You can find similar cables on Amazon or eBay My rig: 0:00 Intro 0:37 Assembling 1:34 Power on 2:00 Performance check 3:00 Some Time Later 4:00 My hardware 5:10 The Motherboard manual 6:30 My full rigg 6:45 What do you think? 07:00 Final thoughts 07:30 Outro